Selling Myself to the Divine Theater to Repay a Million Merits

[Urban High Martial Arts + spiritual qi revival + a troublesome System + no harem + decisive and ruthless + nearly invincible + feel-good power fantasy (depending on the reader)]

His merit has been completely spent, and karmic hindrances cling to him.

To repay his merit, he must “do good deeds and accumulate virtue.”

What kind of life will Jiang Liuer portray in the Theater of the Gods...?